CVE-2020-9499
HIGHCVSS 7.2/10EPSS 1.50%
Last modified
CVE-2020-9499 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.
Description
Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dahuasecurity | Sd6al Firmware | < 2019-12 |
| Dahuasecurity | Sd5a Firmware | < 2019-12 |
| Dahuasecurity | Sd1a Firmware | < 2019-12 |
| Dahuasecurity | Ptz1a Firmware | < 2019-12 |
| Dahuasecurity | Sd50 Firmware | < 2019-12 |
| Dahuasecurity | Sd52c Firmware | < 2019-12 |
| Dahuasecurity | Ipc-Hx5842h Firmware | < 2019-12 |
| Dahuasecurity | Ipc-Hx7842h Firmware | < 2019-12 |
| Dahuasecurity | Ipc-Hx2xxx Firmware | < 2019-12 |
| Dahuasecurity | Ipc-Hxxx5x4x Firmware | < 2019-12 |
| Dahuasecurity | N42b1p Firmware | < 2019-12 |
| Dahuasecurity | N42b2p Firmware | < 2019-12 |
| Dahuasecurity | N42b3p Firmware | < 2019-12 |
| Dahuasecurity | N52a4p Firmware | < 2019-12 |
| Dahuasecurity | N54a4p Firmware | < 2019-12 |
| Dahuasecurity | N52b2p Firmware | < 2019-12 |
| Dahuasecurity | N52b5p Firmware | < 2019-12 |
| Dahuasecurity | N52b3p Firmware | < 2019-12 |
| Dahuasecurity | N54b2p Firmware | < 2019-12 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-9499?
Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.
How severe is CVE-2020-9499?
CVE-2020-9499 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9499?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-9499?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST